Answer:
(a)
Gums and resins are the excretory products in plants. Gums are degradation
products of cell wall while resins are oxidation products of cell wall.
(1)
(b) These substances are used in the production of medicine, cosmetics,
essential oil for therapeutic uses and incense, etc. (1)
(c) The values shown by Sanjeev are general awareness, knowledgeable and
love for his environment. (1)
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